id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A268220
[ 0, 0, 0, 0, 0, 0, 6, 63, 560, 5166, 51912, 571494, 6858720, 89164647, 1248307060, 18724608903, 299593746816, 5093093702060, 91675686645648, 1741838046278940, 34836760925594304, 731571979437500700, 16094583547625042000, 370175421595376000000, 8.884210118289025e+21 ]
[ "nonn" ]
A200708
[ 36, 540, 7370, 95567, 1196837, 14599041, 174544948, 2054226643, 23879098633, 274805736757, 3136426281937, 35550221949225, 400585306584414, 4491028688561012, 50128085812559570, 557352332775257540 ]
[ "nonn" ]
A095458
[ 1.1111111111111112e+32, 100001, 1020, 201, 113, 53, 45, 41, 36, 33, 30, 29, 27, 25, 23, 21 ]
[ "nonn" ]
A263747
[ 1, 2, 6, 24, 78, 230, 506, 1128, 2641, 6655, 17261, 46066, 119052, 300864, 750728, 1876024, 4711588, 11951068, 30392680, 77225565, 195701321, 494881594, 1249924470, 3159185418, 7992133318, 20232067074, 51226594151, 129680774266 ]
[ "nonn" ]
A233160
[ 2187, 24576, 559872, 12754584, 310536504, 7663517136, 191184793128, 4789657390320, 120299942406312, 3025032724863000, 76113694540561180, 1915649874890128600, 48219906337917980000, 1.2138393709351532e+21 ]
[ "nonn" ]
A077321
[ 2, 3, 5, 7, 13, 19, 17, 29, 37, 41, 11, 31, 61, 71, 101, 43, 67, 73, 79, 97, 103, 113, 127, 197, 211, 239, 281, 337, 89, 137, 193, 233, 241, 257, 313, 353, 109, 163, 181, 199, 271, 307, 379, 397, 433, 131, 151, 191, 251,...
[ "nonn", "tabl" ]
A298954
[ 0, 3, 3, 6, 10, 22, 47, 143, 418, 1449, 4821, 17127, 59477, 211515, 744552, 2643659, 9347408, 33151822, 117393355, 416155667, 1474364490, 5225593450, 18516679195, 65623399116, 232549566847, 824133935862, 2920552934068, 10350044812936 ]
[ "nonn" ]
A051675
[ 1, 16, 314928, 1352605460594688, 4.0310784e+32, 4.157825501361955e+60 ]
[ "nonn", "easy" ]
A332100
[ 17047, 52981, 138181, 327581, 412037, 496283, 1678891, 2161769, 2295367, 2689571, 2746699, 2825827, 2839819, 3063629, 3276181, 3651463, 3792209, 4094021, 4221953, 4944581, 4987079, 5316253, 6112147, 6313493, 6723257, 6931163, 7137047, 7700659, 8050279, 86744...
[ "nonn" ]
A059036
[ 0, 1, 1, 2, 3, 2, 3, 5, 5, 3, 4, 7, 8, 7, 4, 5, 9, 11, 11, 9, 5, 6, 11, 14, 15, 14, 11, 6, 7, 13, 17, 19, 19, 17, 13, 7, 8, 15, 20, 23, 24, 23, 20, 15, 8, 9, 17, 23, 27, 29, 29, 27, 23, 17, 9, 10, 19, 2...
[ "nonn", "tabl", "easy" ]
A204918
[ 9, 25, 25, 25, 9, 49, 25, 25, 49, 49, 169, 49, 121, 121, 49, 25, 361, 121, 289, 49, 25, 289, 841, 49, 529, 361, 841, 121, 961, 169, 841, 121, 169, 529, 289, 121, 1849, 961, 121, 49, 1849, 289, 1681, 289, 49, 841, 2809, 121...
[ "nonn" ]
A254330
[ 19, 29, 24, 41, 53, 47, 50, 72, 61, 97, 79, 88, 123, 167, 145, 156, 223, 301, 262, 432, 347, 563, 455, 509, 482, 750, 616, 683, 991, 837, 914, 1294, 1104, 1199, 1751, 1475, 1613, 1544, 2385, 3157, 2771, 2964, 4253, 5735, 4994, ...
[ "nonn" ]
A340207
[ 9, 8, 1, 9, 6, 1, 9, 8, 0, 1, 9, 9, 8, 5, 6, 9, 9, 8, 0, 0, 1, 9, 9, 9, 8, 2, 4, 4, 9, 9, 9, 8, 0, 0, 0, 1, 9, 9, 9, 9, 5, 0, 8, 8, 4, 9, 9, 9, 9, 8, 0, 0, 0, 0, 1, 9, 9, 9, 9, 9, 5, 1, 5, 5...
[ "nonn", "base", "cons" ]
A246399
[ 1, 4, 7, 12, 17, 22, 27, 43, 51, 59, 67, 75, 83, 122, 135, 148, 161, 174, 187, 200, 213, 226, 239, 344, 365, 386, 407, 428, 449, 470, 491, 512, 533, 554, 575, 596, 617, 638, 659, 931, 965, 999, 1033, 1067, 1101, 1135, 1169, ...
[ "nonn" ]
A069343
[ 1, 3, 51, 3828, 1225194, 1636193228, 9009490924794, 203037531986079700, 1.8633578769242938e+22, 6.93949189797441e+27, 1.0460300685270374e+34, 6.369314452323716e+40, 1.564268765712263e+48 ]
[ "nonn" ]
A190613
[ 0, 1, 1, 5, 4, 6, 2, 12, 12, 11, 1, 21, 17, 9, 7, 37, 18, 16, 10, 28, 30, 30, -6, 52, 48, 11, 17, 59, 19, 39, 9, 53, 65, 27, 9, 83, 44, 30, 10, 98, 54, 28, 36, 50, 68, 82, -34, 128, 98, 13, 49, 91, 47, 59, 21...
[ "sign", "look" ]
A317189
[ 1, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 0...
[ "nonn" ]
A006263
[ 1, 2, 4, 65536 ]
[ "dead" ]
A308669
[ 1, 3, 12, 28, 60, 124, 252, 510, 1032, 2070, 4146, 8298, 16602, 33210, 66426, 132858, 265722, 531450, 1062906, 2125818, 4251642, 8503290, 17006588, 34013180, 68026364, 136052736, 272105480, 544210964, 1088421932, 2176843872, 4353687750, 8707375506, 174...
[ "nonn" ]
A315773
[ 1, 6, 12, 6, 6, 12, 12, 24, 24, 42, 36, 30, 18, 36, 42, 54, 54, 78, 54, 42, 36, 60, 72, 84, 96, 102, 66, 54, 60, 90, 102, 114, 132, 120, 78, 72, 84, 120, 132, 156, 156, 132, 90, 96, 114, 150, 162, 192, 174, 144 ]
[ "nonn" ]
A003421
[ 2, 3, 6, 7, 10, 19, 31, 34, 46, 79, 106, 151, 211, 214, 274, 331, 394, 631, 751, 919, 991, 1054, 1486, 1654, 2146, 2479, 2599, 3826, 5014, 5251, 7459, 8551, 9454, 10651, 13666, 18379, 22234, 32971, 39274, 45046, 48799, 61051, 62386,...
[ "nonn" ]
A254677
[ 2, 1, 5, 19, 15, 22, 37, 92, 71, 156, 136, 222, 206, 211, 257, 292, 506, 402, 577, 521, 632, 789, 682, 796, 742, 1006, 1046, 1192, 1346, 1482, 1312, 1507, 2021, 1522, 2172, 1977, 1962, 2007, 2161, 2479, 2502, 3047, 2761, 2326, 3...
[ "nonn" ]
A062516
[ 5, 9, 15, 28, 40, 72, 84, 90, 120 ]
[ "nonn", "fini", "full" ]
A116895
[ 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 7, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 7, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 13, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 7, 2, 3, 2, 3, ...
[ "nonn" ]
A355873
[ 16, 8, 8, 6, 5, 3, 6, 4, 2, 1, 2, 5, 3, 2, 4, 5, 5, 4, 2, 2, 1, 3, 4, 3, 2, 4, 3, 4, 2, 3, 5, 1, 2, 2, 3, 3, 2, 2, 2, 2, 3, 3, 1, 2, 2, 2, 3, 3, 2, 3, 3, 3, 3, 1, 2, 3, 2, 4, 2, 3, 2, 2, 3, ...
[ "nonn", "easy", "base" ]
A074406
[ 1, 1, 2, 4, 8, 32, 128, 512, 1948, 6963, 24576, 87380, 317440, 1179648, 4438966, 16777216, 63409935, 239541344, 905969664, 3435973836, 13076616480, 49928994816, 191126044672, 733007751680, 2815437297416, 10828603699515, 41705086880768, 160842843834660 ]
[ "easy", "nonn" ]
A376581
[ 1, 1, 2, 3, 5, 7, 9, 13, 17, 22, 30, 38, 48, 62, 78, 97, 122, 151, 184, 228, 278, 335, 408, 491, 588, 707, 843, 1000, 1189, 1407, 1658, 1955, 2295, 2686, 3145, 3670, 4270, 4968, 5763, 6671, 7720, 8909, 10263, 11816, 13577, 155...
[ "nonn" ]
A125408
[ 1, 20, 218, 1994, 21078, 227450, 2509508, 28044008, 316237326, 3587876114, 40876370578, 467018577782, 5345948876388, 61273602792708, 702905295827666, 8068104827974874, 92643421204990560, 1064070251138125000 ]
[ "nonn", "base" ]
A381003
[ 0, 1, 1, 2, 1, 3, 1, 4, 4, 1, 5, 6, 5, 1, 6, 8, 1, 9, 1, 10, 10, 1, 11, 12, 1, 13, 13, 1, 14, 11, 15, 1, 16, 17, 1, 18, 5, 7, 18, 14, 12, 6, 20, 3, 22, 23, 15, 24, 17, 1, 18, 3, 26, 27, 20, 2, 28, 29, ...
[ "nonn" ]
A106413
[ 3, 33, 30, 330, 3570, 30030, 3015870, 30120090, 300690390, 30043474230, 304075581810, 30035662366710, 304250263527210, 30078810535603830, 3001252188252588000, 32589158477190046000, 3.0030562843555335e+21 ]
[ "base", "nonn" ]
A034318
[ 1, -2, 12, 28, 66, 132, 258, 468, 843, 1428, 2406, 3900, 6253, 9780, 15144, 22980, 34599, 51300, 75430, 109584, 158052, 225676, 320082, 450216, 629329, 873444, 1205514, 1653364, 2256087, 3061620, 4135280, 5557980, 7438170, 9910132, 13151568, 1738...
[ "sign", "easy" ]
A188229
[ 1, 3, 7, 30, 119, 527, 2395, 11376, 55368, 275735, 1397063, 7185356, 37419881, 196993233, 1046785509, 5608211846, 30264466262, 164375822152, 897938065590, 4930713542112, 27202861579741, 150721902660263, 838367664692809 ]
[ "nonn" ]
A324939
[ 1, 2, 4, 6, 8, 12, 18, 30, 16, 24, 36, 54, 60, 90, 150, 210, 32, 48, 72, 108, 120, 162, 180, 270, 300, 420, 450, 630, 750, 1050, 1470, 2310, 64, 96, 144, 216, 240, 324, 360, 486, 540, 600, 810, 840, 900, 1260, 1350, 1500, ...
[ "nonn", "tabf" ]
A025713
[ 1, 3, 7, 12, 19, 28, 38, 50, 64, 79, 96, 114, 134, 156, 179, 204, 231, 259, 289, 320, 353, 388, 424, 462, 502, 543, 586, 631, 677, 725, 774, 825, 878, 932, 988, 1046, 1105, 1166, 1228, 1292, 1358, 1425, 1494, 1565, 1637, 1711,...
[ "nonn", "easy", "changed" ]
A011806
[ 2, 11, 176, 6743, 562727, 95264798, 30636553704, 17675571563918, 17429225215357484, 28199043639169683000, 7.23195331391387e+22, 2.8542846045315332e+26, 1.689512010464369e+30 ]
[ "nonn" ]
A165330
[ 0, 1, 371, 153, 133, 371, 153, 370, 371, 153, 1, 371, 153, 133, 371, 153, 217, 371, 153, 370, 371, 153, 217, 371, 153, 133, 371, 153, 133, 371, 153, 133, 371, 153, 370, 371, 153, 370, 371, 153, 133, 371, 153, 370, 371, 153, ...
[ "base", "nonn" ]
A389127
[ 1, 1, 1, 4, 21, 76, 226, 680, 2269, 7915, 27136, 91246, 307374, 1047619, 3595866, 12352159, 42415949, 145850821, 502698331, 1735954780, 6001926436, 20770641161, 71951921108, 249507459224, 866031978142, 3008426000926, 10458378159451, 36382333622116 ]
[ "nonn" ]
A386861
[ 0, 0, 6, 150, 3240, 72030, 1720320, 44641044, 1260000000, 38584598580, 1277045637120, 45493302310170, 1737263457785856, 70841500488281250, 3073706745680363500, 141437374309896780000, 6.881573428807008e+21, 3.530522902067683e+23, 1.90513152e+25 ]
[ "nonn", "easy" ]
A380674
[ 1, 3, 25, 370, 8097, 237096, 8733601, 388380000, 20253654945, 1212334652800, 81937521020841, 6172429566120192, 512850795552978600, 46594245206418960000, 4.595466275857016e+21, 4.889931617917843e+23, 5.5839856392986845e+25, 6.811561624203525e+27 ]
[ "nonn" ]
A351499
[ 1, 9, 15, 75, 105, 315, 525, 735, 945, 1155, 1365, 1575, 1995, 3465, 4305, 5775, 6615, 7035, 8085, 8925, 9765, 10395, 11235, 12495, 12705, 13545, 15015, 19635, 26565, 28875, 31185, 33495, 38115, 45045, 255255, 405405, 525525, 765765, 975975...
[ "nonn" ]
A113892
[ 3, 3, 11, 43, 151, 2837, 55582381, 55582381, 604182026353013, 7.260821549599941e+21, 1.0950115817553554e+31, 1.0950115817553554e+31 ]
[ "base", "nonn" ]
A083027
[ 0, 2, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19, 20, 22, 24, 26, 27, 29, 31, 32, 34, 36, 38, 39, 41 ]
[ "dead" ]
A235209
[ 135520, 319156, 781040, 2154516, 6122960, 19043548, 60655008, 207093844, 721977376, 2659371660, 9986541664, 39209154564, 156677348816, 649143433868, 2730556362224, 11825502544564, 51835904542160, 232551175826492 ]
[ "nonn" ]
A263407
[ 2, 2, 2, 2, 2, 6, 2, 6, 6, 12, 2, 4, 6, 12, 40, 0, 0, 0, 0, 0, 0, 12 ]
[ "nonn", "tabf", "more" ]
A320498
[ 1, 4, 8, 12, 13, 17, 23, 28, 32, 35, 37, 42, 48, 52, 53, 57, 62, 69, 72, 74, 75, 81, 87, 93, 95, 95, 99, 106, 112, 117, 116, 117, 124, 133, 136, 139, 138, 141, 149, 157, 159, 160, 162, 166, 174, 181, 180, 182, 187, 193...
[ "nonn" ]
A089446
[ 2255507, 2255549, 2255551, 2255567, 2255569, 2255573, 2255581, 5206793, 5206819, 5206823, 5206829, 5206837, 5206841, 5206849 ]
[ "nonn", "more" ]
A046617
[ 1, 1, 1, 1, 6, 1, 1, 11, 1, 1, 23, 16, 1, 1, 39, 21, 1, 1, 17, 1, 12, 1, 26, 1, 1, 29, 1, 86, 31, 1, 1, 63, 1, 231, 117, 36, 1, 1, 546, 348, 153, 41, 1, 1, 1176, 894, 501, 194, 46, 1, 1, 414, 1, 279, 1, 139...
[ "tabf", "nonn" ]
A135889
[ 1, 3, 12, 63, 421, 3472, 34380, 399463, 5344770, 81097517, 1377986373, 25947738574, 536726987593, 12104879913657, 295754724799758, 7784814503249896, 219682110287448770, 6617691928179590000 ]
[ "nonn" ]
A254831
[ 5, 26, 79, 166, 381, 547, 1000, 1604, 2711, 3568, 5748, 7202, 10309, 13708, 18424, 21680, 29290, 33838, 43620, 53191, 65777, 74117, 92538, 108621, 129911, 150358, 177085, 194481, 234256, 255180, 295309, 334682, 383062, 430087, 495280, 531746 ]
[ "nonn" ]
A132147
[ 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, ...
[ "nonn" ]
A016301
[ 1, 18, 237, 2810, 31941, 356538, 3947917, 43557210, 479780181, 5280836858, 58105480797, 639241667610, 7032065242021, 77354752161978, 850912446296877, 9360087771874010, 102961219803721460, 1132574689406603900 ]
[ "nonn", "easy" ]
A256917
[ 2, 3, 7, 17, 19, 31, 71, 73, 97, 127, 163, 199, 241, 337, 449, 577, 647, 881, 883, 967, 1151, 1153, 1249, 1459, 1567, 1801, 2179, 2311, 2591, 2593, 2887, 3041, 3361, 3527, 3529, 3697, 4049, 4051, 4231, 4801, 4999, 5407, 6271, 6961...
[ "nonn", "easy" ]
A367293
[ 0, 3, 6, 15, 32, 60, 118, 212, 398, 733, 1275, 2296, 4092, 6998, 12310, 20905, 36409, 63092, 106266, 182888, 306865, 525175, 896119, 1496319, 2542488, 4310250, 7170549, 12116421, 20119010, 33899511, 57028870, 94452959, 158530985, 265735987, 4391973...
[ "nonn" ]
A309657
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 8, 18, 24, 47, 60, 105, 136, 222, 290, 439, 574, 845, 1088, 1527, 1962, 2681, 3396, 4526, 5672, 7396, 9200, 11768, 14508, 18326, 22372, 27849, 33774, 41562, 50002, 60922, 72764, 87830, 104254, 124744,...
[ "nonn" ]
A358973
[ 1, 3, 4, 5, 6, 8, 9, 10, 12, 14, 16, 17, 18, 20, 22, 23, 24, 26, 28, 30, 32, 33, 35, 36, 37, 38, 40, 41, 42, 44, 45, 46, 47, 48, 50, 52, 53, 54, 56, 57, 58, 59, 60, 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 73, ...
[ "nonn" ]
A293233
[ 1, -1, -1, 0, 1, -1, 1, 0, 0, 1, -1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, -1, 1, 0, 0, 1, 0, 0, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 1, -1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 1, 0, 1, ...
[ "sign" ]
A235389
[ 22, 9482, 112269228, 37515056726494, 355023905438833600000 ]
[ "nonn", "more" ]
A015154
[ 1, 2, 0, 16, 32, 1344, -5120, 968192, 13138944, 6377617408, -245871738880, 376093809229824, 44307874417573890, 199959909725932800000, -7.0241187753472205e+22, 9.562613671265185e+26 ]
[ "sign" ]
A153367
[ 4, 14, 50, 180, 650, 2350, 8500, 30750, 111250, 402500, 1456250, 5268750, 19062500, 68968750, 249531250, 902812500, 3266406250, 11817968750, 42757812500, 154699218750, 559707031250, 2025039062500, 7326660156250, 26508105468750 ]
[ "nonn", "easy" ]
A075776
[ 2, 3, 4, 5, 6, 7, 8, 9, 13, 16, 17, 19, 23, 31, 32, 43, 47, 57, 59, 61, 71, 79, 83, 87, 101, 109, 129, 137, 151, 161, 183, 187, 191, 199, 213, 221, 247, 251, 271, 311, 347, 381, 391, 393, 433, 493, 497, 499, 599, 749, ...
[ "nonn" ]
A028803
[ 2, 3, 5, 6, 7, 8, 11, 12, 13, 14, 15, 17, 18, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 32, 33, 35, 37, 38, 39, 41, 42, 43, 44, 47, 48, 50, 51, 52, 53, 56, 57, 58, 59, 60, 62, 63, 65, 66, 67, 68, 69, 71, 72, 73, ...
[ "nonn", "fini", "full", "easy" ]
A093880
[ 2, 6, 10, 70, 42, 462, 858, 858, 4862, 92378, 8398, 193154, 74290, 222870, 6463230, 200360130, 11785890, 11785890, 22951470, 22951470, 941010270, 40463441610, 1759280070, 82686163290, 115760628606, 115760628606, 2045104438706 ]
[ "nonn" ]
A143427
[ 5, 5, 11, 11, 5, 5, 11, 23, 5, 11, 17, 41, 23, 5, 11, 17, 29, 17, 17, 11, 47, 41, 11, 11, 41, 11, 29, 41, 5, 11, 29, 17, 11, 5, 47, 17, 17, 53, 11, 5, 17, 17, 47, 29, 11, 23, 11, 5, 17, 5, 17, 29, 11, 17, 29,...
[ "nonn" ]
A262219
[ 2, 1, 5, 4, 5, 5, 5, 1, 14, 11, 5, 6, 5, 9, 11, 16, 5, 17, 29, 5, 11, 21, 5, 24, 20, 5, 5, 14, 29, 31, 23, 11, 50, 29, 5, 17, 17, 13, 29, 2, 5, 43, 11, 9, 65, 47, 11, 41, 74, 33, 41, 26, 5, 59, 5, 17, 14,...
[ "nonn" ]
A329338
[ 1, 110, 101010, 111100, 100010001000100020, 1111110, 1.000001000001e+37, 11111111000, 1010101010101010000, 10101010101010100000, 1.0000000001e+101 ]
[ "nonn" ]
A337523
[ 18, 26, 68, 87, 154, 165, 209, 572, 846, 1434, 4840, 5476, 5828, 5936, 6499, 6572, 7772, 8540, 8727, 10088, 10864, 11772, 12867, 15088, 20099, 20584, 20881, 21672, 22440, 27348, 29748, 29920, 30576, 32390, 35640, 36580, 37200, 37449, 38430,...
[ "nonn", "base" ]
A282583
[ 1, 1, 2, 3, 6, 10, 19, 33, 60, 107, 193, 345, 621, 1113, 1999, 3586, 6439, 11554, 20741, 37223, 66814, 119916, 215237, 386310, 693375, 1244494, 2233686, 4009113, 7195757, 12915268, 23180946, 41606232, 74676840, 134033474, 240569601, 431785583, ...
[ "nonn" ]
A387777
[ 1, 2, 5, 15, 55, 237, 1112, 5383, 26315, 129455, 642326, 3221550, 16339102, 83714139, 432596925, 2251277128, 11785224610, 62010358212, 327766828938, 1739615154595, 9267650140954, 49541732291450, 265661128574881, 1428643252250679, 7702926103476808, 41632599194983864,...
[ "nonn" ]
A120131
[ 5, 6, 8, 13, 13, 15, 15, 17, 17, 17, 20, 20, 21, 21, 24, 25, 25, 25, 26, 26, 28, 29, 29, 30, 30, 30, 35, 35, 36, 37, 37, 37, 37, 37, 39, 39, 39, 39, 40, 40, 40, 41, 41, 41, 41, 42, 44, 44, 45, 48, 48, 50, 50, 5...
[ "nonn" ]
A351617
[ 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 4, 4, 3, 4, 1, 3, 5, 3, 5, 1, 5, 5, 1, 3, 4, 3, 6, 5, 5, 2, 4, 4, 3, 2, 8, 4, 5, 5, 5, 2, 4, 3, 5, 3, 5, 5, 5, 5, 7, 3, 5, 5, 4, 4, 3, 4, 8, 3, 8, 2, 6, 8, 3...
[ "nonn" ]
A100567
[ 3, 11, 17, 41, 59, 83, 109, 157, 179, 211, 241, 283, 331, 367, 401, 461, 509, 563, 587, 617, 709, 773, 797, 877, 919, 991, 1031, 1087, 1153, 1201, 1217, 1409, 1433, 1471, 1499, 1597, 1621, 1723, 1741, 1823, 1847, 2027, 2063, 2099,...
[ "nonn" ]
A335741
[ 1, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6...
[ "nonn" ]
A131957
[ 4, 4, 4, 5, 6, 6, 5, 6, 5, 6, 6, 7, 6, 7, 6, 7, 6, 7, 6, 6, 8, 8, 7, 8, 6, 7, 7, 8, 7, 8, 7, 8, 7, 8, 6, 8, 7, 7, 7, 7, 6, 8, 8, 9, 8, 9, 8, 10, 7, 8, 7, 7, 7, 9, 8, 9, 7, 8, 8, 9, 8, 9, 8, ...
[ "nonn" ]
A087816
[ 1, 1, 2, 2, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 8, 8, 8, 8, 8, 9, 9, 9, 10, 10, 11, 12, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 20, 21, 21, 21, 22, 22, 23, 24, 24, 25, 26, 27...
[ "nonn", "easy" ]
A000379
[ 1, 6, 8, 10, 12, 14, 15, 18, 20, 21, 22, 26, 27, 28, 32, 33, 34, 35, 36, 38, 39, 44, 45, 46, 48, 50, 51, 52, 55, 57, 58, 62, 63, 64, 65, 68, 69, 74, 75, 76, 77, 80, 82, 85, 86, 87, 91, 92, 93, 94, 95, 98, 99, 1...
[ "nonn", "easy", "nice" ]
A368907
[ 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0...
[ "nonn" ]
A353449
[ 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 0, 1, 8, 15, 12, 0, 3, 16, 27, 49, 29, 0, 7, 21, 44, 71, 103, 66, 0, 9, 30, 61, 106, 152, 216, 131, 0, 13, 41, 80, 145, 213, 298, 404, 245, 0, 17, 55, 106, 189, 279, 383, 507, 677,...
[ "nonn", "tabl" ]
A026070
[ 1, 2, 8, 24, 76, 232, 707, 2136, 6429, 19282, 57695, 172316, 513955, 1531362, 4559271, 13566288, 40349619, 119972214, 356634978, 1059985776, 3150165270, 9361450868, 27819215185, 82670528056, 245680350995, 730149455646, 2170105711452 ]
[ "nonn" ]
A192574
[ 1, 2, 4, 10, 28, 84, 282, 968, 3574, 13526, 53248, 215288, 889072, 3749808, 16120368, 70569136, 314384296, 1424490556, 6561255338, 30706715780, 145947430208, 704170163362, 3447329246534, 17116783509170, 86161074446406, 439511863198824, 2271055875812692 ]
[ "nonn" ]
A137795
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 15, 1, 1, 1, 1, 1, 3, 5, 105, 1, 1, 1, 1155, 1, 15, 1, 1, 1, 1, 35, 15015, 1, 1, 1, 255255, 385, 3, 1, 5, 1, 105, 1, 4849845, 1, 1, 1, 3, 5005, 1155, 1, 1, 7, 15, 85...
[ "nonn" ]
A347505
[ 7, 343, 47045063, 1.205577000020399e+23, 2.0288556945771677e+69 ]
[ "nonn" ]
A221677
[ 0, 2, 5, 14, 40, 113, 320, 906, 2565, 7262, 20560, 58209, 164800, 466578, 1320965, 3739886, 10588280, 29977297, 84871040, 240284954, 680289285, 1926019518, 5452902560, 15438133441, 43708091520, 123745352482, 350345021445 ]
[ "nonn" ]
A368433
[ 1, 1, 91, 1, 176130 ]
[ "nonn", "more", "hard" ]
A110654
[ 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, ...
[ "nonn", "easy" ]
A103421
[ 1, 1, 2, 3, 7, 14, 30, 62, 129, 263, 534, 1076, 2160, 4318, 8612, 17145, 34097, 67764, 134638, 267506, 531606, 1056812, 2101854, 4182462, 8327263, 16588973, 33066080, 65945522, 131588128, 262702054, 524699094, 1048433468, 2095744336 ]
[ "easy", "nonn" ]
A161654
[ 1, 2, 2, 3, 4, 4, 6, 8, 9, 8, 10, 12, 12, 12, 12, 15, 16, 18, 18, 18, 20, 20, 22, 24, 24, 24, 24, 24, 28, 24, 30, 30, 32, 32, 32, 36, 36, 36, 36, 40, 40, 40, 42, 42, 42, 44, 46, 40, 48, 48, 48, 48, 52, 48, 52...
[ "nonn" ]
A170388
[ 1, 43, 1806, 75852, 3185784, 133802928, 5619722976, 236028364992, 9913191329664, 416354035845888, 17486869505527296, 734448519232146400, 30846837807750152000, 1.2955671879255062e+21, 5.441382189287126e+22 ]
[ "nonn" ]
A115532
[ 2.857142857142857e+33, 4.285714285714286e+33, 5.714285714285714e+33, 1.935483870967742e+58 ]
[ "nonn", "base" ]
A270409
[ 14, 386, 5868, 2310, 65954, 100156, 614404, 2278660, 570570, 5030004, 36703824, 34374186, 37460376, 472592916, 1059255456, 211083730, 259477218, 5188948072, 22555934280, 16476937840, 1697186964, 50534154408, 375708427812, 647739636160, 111159740692 ]
[ "nonn", "tabf" ]
A120680
[ 1, 2, 3, 2, 4, 4, 6, 8, 6, 8, 10, 4, 6, 8, 8, 6, 12, 16, 8, 8, 16, 8, 12, 16, 8, 8, 16, 16, 8, 16, 8, 8, 24, 16, 16, 20, 16, 24, 24, 20, 16, 21, 24, 20, 20, 24, 16, 30, 16, 24, 20, 32, 8, 8, 24, 12, 16, ...
[ "nonn" ]
A339969
[ 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 3, 1, 5, 3, 1, 1, 1, 25, 1, 9, 1, 1, 3, 1, 1, 11, 1, 7, 1, 1, 1, 1, 1, 1, 21, 1, 1, 45, 1, 1, 1, 49, 1, 1, 1, 1, 9, 1, 7, 1, 1, 1, 5, 1, 1...
[ "nonn" ]
A011403
[ 1, 2, 2, 9, 3, 1, 2, 5, 6, 8, 2, 7, 1, 1, 4, 6, 8, 7, 0, 6, 0, 5, 1, 3, 0, 5, 4, 3, 9, 7, 3, 3, 9, 2, 4, 9, 4, 9, 6, 0, 4, 6, 8, 1, 6, 9, 4, 8, 6, 1, 0, 0, 2, 8, 1, 7, 3, 6, 3, 3, 3, 5, 8, 7...
[ "nonn", "cons" ]
A021251
[ 0, 0, 4, 0, 4, 8, 5, 8, 2, 9, 9, 5, 9, 5, 1, 4, 1, 7, 0, 0, 4, 0, 4, 8, 5, 8, 2, 9, 9, 5, 9, 5, 1, 4, 1, 7, 0, 0, 4, 0, 4, 8, 5, 8, 2, 9, 9, 5, 9, 5, 1, 4, 1, 7, 0, 0, 4, 0, 4, 8, 5, 8, 2, 9...
[ "nonn", "cons", "easy" ]
A019664
[ 1, 21, 301, 3669, 40957, 433125, 4418317, 43942773, 428973853, 4128937989, 39306876973, 370937567637, 3475860284989, 32382187083813, 300235508341069, 2772487245505461, 25515330868003164, 234141560259529800 ]
[ "nonn", "easy" ]
A198995
[ 6, 0, 5, 5, 2, 0, 1, 2, 3, 4, 6, 2, 2, 5, 3, 5, 2, 3, 9, 5, 8, 2, 9, 0, 7, 0, 5, 9, 6, 5, 7, 4, 3, 8, 9, 7, 5, 7, 3, 8, 4, 9, 3, 0, 3, 7, 7, 2, 4, 0, 4, 8, 2, 8, 2, 3, 8, 4, 3, 5, 8, 5, 6, 0...
[ "nonn", "cons" ]
A146652
[ 1, 1, 1, 1, 1, 1, 1, 1, 17, 17, 57, 57, 265, 265, 2569, 2569, 62981, 62981, 1534149, 1534149, 39874393, 39874393 ]
[ "nonn" ]
A144400
[ 1, 2, -1, 3, -3, 1, 4, -6, 4, 0, 5, -10, 10, 0, -3, 6, -15, 20, 0, -18, 10, 7, -21, 35, 0, -63, 70, -24, 8, -28, 56, 0, -168, 280, -192, 49, 9, -36, 84, 0, -378, 840, -864, 441, -89, 10, -45, 120, 0, -756, 2100, -2...
[ "tabl", "sign" ]
A044868
[ 144, 156, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 170, 183, 196, 209, 222, 235, 248, 261, 274, 287, 288, 301, 312, 313, 315, 316, 317, 318, 319, 320, 321, 322, 323, 327, 340, 353, 366, 379, 392, 405, 418, 431, 432 ]
[ "nonn", "base" ]
A351251
[ 1, 2, 3, 2, 9, 18, 5, 10, 15, 10, 9, 90, 25, 50, 75, 10, 225, 450, 125, 250, 75, 250, 1125, 2250, 625, 50, 1875, 1250, 5625, 11250, 7, 14, 21, 14, 63, 18, 35, 70, 105, 70, 63, 630, 25, 350, 525, 70, 1575, 3150, 875, 25...
[ "nonn", "frac", "easy" ]
A265029
[ 6, 14, 10, 42, 20, 14, 20, 146, 40, 28, 40, 22, 40, 28, 40, 546, 80, 56, 80, 44, 80, 56, 80, 38, 80, 56, 80, 44, 80, 56, 80, 2114, 160, 112, 160, 88, 160, 112, 160, 76, 160, 112, 160, 88, 160, 112, 160, 70, 160, 112, ...
[ "nonn" ]